Home / 776,860.24-1,165,294.08-271,419.04

Finding the Fourth Proportional to 776,860.24, 1,165,294.08 and 271,419.04

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Solution

The fourth proportional to 776,860.24, 1,165,294.08 and 271,419.04 is: 407,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,860.24 : 1,165,294.08 = 271,419.04 : x
  2. Step 2: Convert to fraction form
    776,860.24/1,165,294.08 = 271,419.04/x
  3. Step 3: Cross multiply
    776,860.24x = 1,165,294.08 × 271,419.04
  4. Step 4: Simplify right side
    776,860.24x = 316,283,000,511.28
  5. Step 5: Solve for x
    x = 316,283,000,511.28/776,860.24
  6. Step 6: Final answer
    x = 407,129.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.